:root{--bg:#0f172a;--card:#1e293b;--text:#e2e8f0;--muted:#94a3b8;--primary:#2563eb;--primary-press:#1d4ed8;--ok:#16a34a;--fail:#dc2626;--whatsapp:#22c55e;--border:#334155}*{box-sizing:border-box;margin:0;padding:0}body{background:var(--bg);color:var(--text);-webkit-tap-highlight-color:transparent;min-height:100vh;font-family:system-ui,-apple-system,Segoe UI,Roboto,sans-serif}#app{max-width:480px;margin:0 auto;padding:1rem}.topbar{justify-content:space-between;align-items:center;gap:.75rem;padding:.5rem 0 1rem;display:flex}.topbar h1{font-size:1.1rem;font-weight:700}.env-toggle{border:1px solid var(--border);border-radius:999px;flex-shrink:0;display:flex;overflow:hidden}.env-btn{color:var(--muted);cursor:pointer;background:0 0;border:none;padding:.5rem .9rem;font-size:.8rem;font-weight:700}.env-btn.active{background:var(--primary);color:#fff}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;margin-bottom:1rem;padding:1.25rem}.card.danger{border-color:var(--fail)}.card h2{align-items:center;gap:.5rem;margin-bottom:.75rem;font-size:1.05rem;display:flex}.step-num{background:var(--primary);color:#fff;border-radius:50%;flex-shrink:0;justify-content:center;align-items:center;width:1.6rem;height:1.6rem;font-size:.9rem;display:inline-flex}.instructions{color:var(--muted);margin:0 0 1rem 1.25rem;font-size:.95rem;line-height:1.6}.big-btn{letter-spacing:.02em;cursor:pointer;color:#fff;border:none;border-radius:12px;width:100%;margin-top:.75rem;padding:1.1rem 1rem;font-size:1rem;font-weight:800;display:block}.big-btn:active{transform:scale(.98)}.big-btn:disabled{opacity:.6}.big-btn.primary{background:var(--primary)}.big-btn.primary:active{background:var(--primary-press)}.big-btn.secondary{border:2px solid var(--border);color:var(--text);background:0 0}.big-btn.whatsapp{background:var(--whatsapp);color:#052e16}.status{color:var(--muted);margin-top:.9rem;font-size:.9rem;line-height:1.5}.status.error{color:#fca5a5}.device-card{border:1px solid var(--border);border-radius:12px;margin-bottom:.5rem;overflow:hidden}.device-row{justify-content:space-between;gap:1rem;padding:.65rem .9rem;font-size:.9rem;display:flex}.device-row+.device-row{border-top:1px solid var(--border)}.device-row span{color:var(--muted)}.device-row strong{text-align:right;word-break:break-all}.warn-text{color:#fbbf24;margin-bottom:.5rem;font-size:.95rem}.warn-text.small{margin-bottom:0;padding:.5rem .9rem 0;font-size:.8rem}.muted{color:var(--muted);font-weight:400}.tz-bad{color:#fbbf24}.copy-btn{border:1px dashed var(--border);width:calc(100% - 1.8rem);color:var(--text);cursor:pointer;background:0 0;border-radius:8px;margin:.6rem .9rem .9rem;padding:.6rem;font-size:.85rem;font-weight:700;display:block}.instructions-plain{color:var(--muted);margin-bottom:.5rem;font-size:.95rem;line-height:1.6}.progress{border:1px solid var(--border);background:#020617;border-radius:8px;height:2.2rem;margin-top:.9rem;position:relative;overflow:hidden}.progress-bar{background:var(--primary);width:0%;height:100%;transition:width .2s}.progress-label{justify-content:center;align-items:center;font-size:.85rem;font-weight:700;display:flex;position:absolute;inset:0}.result-banner{text-align:center;border-radius:12px;padding:1.25rem 1rem;font-size:1.15rem;font-weight:800;line-height:1.4}.result-banner.ok{background:var(--ok);color:#fff}.result-banner.fail{background:var(--fail);color:#fff}.hints{margin:.9rem 0 0 1.25rem;font-size:.95rem;line-height:1.6}#log-panel{color:var(--muted);margin-top:.5rem}#log-panel summary{cursor:pointer;padding:.5rem 0;font-size:.85rem}#log{border:1px solid var(--border);white-space:pre-wrap;word-break:break-all;background:#020617;border-radius:8px;max-height:40vh;padding:.75rem;font-size:.75rem;line-height:1.5;overflow-y:auto}